declare an emergency中文什么意思

宣布紧急情况

例句与用法

When the water situation of any river or lake approaches the guaranteed water level or the safety flow capacity , or when the water level of any reservoir approaches the level of design flood , or when a great danger occurs to flood control works , the flood control headquarters under the relevant people ' s government at or above the county level may declare an emergency flood season
当江河、湖泊的水情接近保证水位或者安全流量，水库水位接近设计洪水位，或者防洪工程设施发生重大险情时，有关县级以上人民政府防汛指挥机构可以宣布进入紧急防汛期。